Solution:

Solution:

It says it supports most. Not all, so it doesn’t work on all of them.

Only some erase most don’t.  We have erased successfully on 5 series 2015 digital cluster and X1 CAS3 2010 35080 clusters.

This chip has 50% to erase success (and the mileage lower than 800,000 KM ), if it fails to erase, it has two ways to help you try again. you can try to initialize your device, password: cgkj982634187236 . or try another way to heat your chip (contact CGDI technician if you are interested).

On this chip you can read, but can’t write. You must replace it with something like on link https://www.obdii365.com/wholesale/xhorse-35160dw-chip-for-vvdi-prog.html

Faster to just replace it with xhorse chip and they are not expensive. just 17-21$ and you just read and straight replace in 5 minutes.  This job can also be done by Yanhua emulator. Check: How to Change M35XXX Mileage using Yanhua 35160 35080 Emulator

I normally just erase and write 080 but have an issue with a defender where mileage keeps going back to where I set it after ignition cycle (think a file issue really rather than chip). Thought would try a fresh chip, couldn’t write that Xhorse chip with cgdi. Tried again with a mini just to see but same thing wrote a load of shite. Making the changes manually in VVDI prog worked fine though.

Read http://blog.obdii365.com/2021/12/03/cg-pro-9s12-bmw-f-series-instrument-reset-with-35160wt-adapter/